Character is the sum of ones characteristics. Strength of character is to have strong characteristics that are of value to others and to one self. Having convictions does not impact your surroundings, living ones convictions does. The ethical values we all strive to represent are characteristics, while strength of character is the extent to which you execute your values.

define this yourself

Being present.

Accept other people's convictions regardless of how you feel yourself - unless these convictions hurt anyone.

The power to uphold dignity.